Contact Information
School of Earth, Society, & Environment (SESE)
M/C 103
Education
Ph.D. in Earth Sciences (Hydrology), Boston University, 2008
Additional Campus Affiliations
Dean's Fellow, College of Liberal Arts and Sciences
Research Associate Professor, Earth Science and Environmental Change
Teaching Assistant Professor, Earth Science and Environmental Change
Teaching Assistant Professor, Center for Global Studies
Recent Publications
Pettijohn, J. C. (2026). Learning Pathways and Credential Signals in Online Graduate Micro-Credentialing: An OpenAlex Evidence Map. Knowledge, 6(2). https://doi.org/10.3390/knowledge6020011
Pettijohn, J. J. (2026). Potential evaporation and the Bouchet–Morton complementary relationship: A nondimensional atlas separating definition choices from land–atmosphere adjustment. Advances in Water Resources, 213, Article 105321. https://doi.org/10.1016/j.advwatres.2026.105321
Gregg, P. M., Albright, J. A., Zhan, Y., & Pettijohn, J. C. (2020). Geodetic Data Assimilation for Evaluating Volcanic Unrest. In 2020 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2020 - Proceedings (pp. 3618-3621). Article 9323109 (International Geoscience and Remote Sensing Symposium (IGARSS) ). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IGARSS39084.2020.9323109
Knipp, A. L., Pettijohn, J. C., Jadot, C., & Hertler, H. (2020). Contrasting color loss and restoration in survivors of the 2014–2017 coral bleaching event in the Turks and Caicos Islands. Applied Sciences, 2(3), Article 331. https://doi.org/10.1007/s42452-020-2132-6
Gregg, P. M., & Pettijohn, J. C. (2016). A multi-data stream assimilation framework for the assessment of volcanic unrest. Journal of Volcanology and Geothermal Research, 309, 63-77. https://doi.org/10.1016/j.jvolgeores.2015.11.008